躲避硐的高度不得小于（）m。
A.0.7
B.1.2
C.1.8
参考答案：C
Before you ______ buy a car, please think it over.[ ]
A. decide to
B. decide of
C. decide for
D. decided
通货膨胀是怎样形成的对经济活动有什么影响
